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55060650 = 23252313947
BaseRepresentation
bin1101001000001…
…0100010101010
310211121101000100
43102002202222
5103043420100
65244050230
71236002451
oct322024252
9124541010
1055060650
1129097977
1216533976
13b53a988
147453b98
154c79400
hex34828aa

55060650 has 72 divisors (see below), whose sum is σ = 152740224. Its totient is φ = 14205600.

The previous prime is 55060631. The next prime is 55060717. The reversal of 55060650 is 5606055.

55060650 is a `hidden beast` number, since 5 + 5 + 0 + 6 + 0 + 650 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11977 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (2121392).

Almost surely, 255060650 is an apocalyptic number.

55060650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55060650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76370112).

55060650 is an abundant number, since it is smaller than the sum of its proper divisors (97679574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55060650 is a wasteful number, since it uses less digits than its factorization.

55060650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55060650 is about 7420.2863826135. The cubic root of 55060650 is about 380.4349820383.

The spelling of 55060650 in words is "fifty-five million, sixty thousand, six hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 31 45 50 62 75 90 93 150 155 186 225 279 310 450 465 558 775 930 1395 1550 2325 2790 3947 4650 6975 7894 11841 13950 19735 23682 35523 39470 59205 71046 98675 118410 122357 177615 197350 244714 296025 355230 367071 592050 611785 734142 888075 1101213 1223570 1776150 1835355 2202426 3058925 3670710 5506065 6117850 9176775 11012130 18353550 27530325 55060650